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How can I optimize WordPress database queries for better site performance?
Asked on Dec 31, 2025
Answer
Optimizing WordPress database queries is crucial for enhancing site performance, particularly for sites with high traffic or large databases. This involves both reducing the number of queries and improving their efficiency.
<!-- BEGIN COPY / PASTE -->
// Example: Using WP_Query with optimized parameters
$args = array(
'post_type' => 'post',
'posts_per_page' => 10,
'no_found_rows' => true, // Avoids counting total rows for pagination
'update_post_meta_cache' => false, // Disables post meta caching
'update_post_term_cache' => false, // Disables term caching
);
$query = new WP_Query($args);
<!-- END COPY / PASTE -->Additional Comment:
- Use caching plugins like W3 Total Cache or WP Super Cache to reduce database load.
- Regularly clean up your database using plugins like WP-Optimize to remove unnecessary data.
- Consider using a Content Delivery Network (CDN) to offload static assets and reduce server load.
- Optimize your database tables through phpMyAdmin or similar tools to improve query performance.
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